IMHO.

Single-player games like No.9

Below are 13 single-player Steam games similar to No.9, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.

Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like No.9 page.

Ranked picks

  1. 1
    Zerko — Steam game cover

    Zerko

    Single-player alternative to No.9 — playable solo, no multiplayer required. Shares Indie and Casual with No.9.

    A puzzle game filled with shapes, numbers, and a straightforward goal: make every number zero.

    2024IndieCasual2.99 USDSingle-playerSimilar games →
  2. 2
    Hook — Steam game cover

    Hook

    Single-player alternative to No.9 — playable solo, no multiplayer required. Shares Indie and Casual with No.9.

    HOOK is a short minimal, puzzle game.

    2015IndieCasual2.99 USDDeck VerifiedSingle-playerSimilar games →
  3. 3
    klocki — Steam game cover

    klocki

    Single-player alternative to No.9 — playable solo, no multiplayer required. Shares Indie and Casual with No.9.

    Minimal puzzle game.

    2016IndieCasual2.99 USDDeck VerifiedSingle-playerSimilar games →
  4. 4
    Turn on the light — Steam game cover

    Turn on the light

    Single-player alternative to No.9 — playable solo, no multiplayer required. Shares Indie and Casual with No.9.

    Turn On The Light is a minimalist puzzle game.

    2020IndieCasual0.99 USDSingle-playerSimilar games →
  5. 5
    TOK HARDCORE — Steam game cover

    TOK HARDCORE

    Single-player alternative to No.9 — playable solo, no multiplayer required. Shares Indie and Casual with No.9.

    TOK HARDCORE is a logical puzzle in which you need to connect all points with lines.

    2019IndieCasual0.99 USDSingle-playerSimilar games →
  6. 6
    The Answer Is 42 — Steam game cover

    The Answer Is 42

    Single-player alternative to No.9 — playable solo, no multiplayer required. Shares Indie and Casual with No.9.

    The answer to life, the universe, and everything. Connect the numbers. Fill the board. You will find out.

    2019IndieCasual1.39 USDDeck VerifiedSingle-playerSimilar games →
  7. 7
    Strange Jigsaws — Steam game cover

    Strange Jigsaws

    Single-player alternative to No.9 — playable solo, no multiplayer required. Shares Indie and Casual with No.9.

    A game of strange jigsaws.

    2025IndieAdventureCasual4.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    LYNE — Steam game cover

    LYNE

    Single-player alternative to No.9 — playable solo, no multiplayer required. Shares Indie and Casual with No.9.

    Deceptively simple. Infinitely complex. LYNE is a minimalist puzzle game that will knot your brain as it calms your soul. Connect the shapes. Fill the board. Lose yourself in the interflowing paths of LYNE.

    2014IndieCasual2.99 USDDeck VerifiedSingle-playerSimilar games →
  9. 9
    oO — Steam game cover

    oO

    Single-player alternative to No.9 — playable solo, no multiplayer required. Shares Indie with No.9.

    "oO" is a hardcore minimal arcade game.

    2015ActionIndie0.99 USDDeck PlayableSingle-playerSimilar games →
  10. 10
    Hook 2 — Steam game cover

    Hook 2

    Single-player alternative to No.9 — playable solo, no multiplayer required. Shares Casual with No.9.

    Get Hook’d on unhooking the hooks again.

    2022Casual2.99 USDDeck VerifiedSingle-playerSimilar games →
  11. 11
    PUSH — Steam game cover

    PUSH

    Single-player alternative to No.9 — playable solo, no multiplayer required. Shares Indie and Casual with No.9.

    Can you push all the buttons?

    2017IndieCasual1.99 USDSingle-playerSimilar games →
  12. 12
    Up Left Out — Steam game cover

    Up Left Out

    Single-player alternative to No.9 — playable solo, no multiplayer required. Shares Indie with No.9.

    A puzzle game about unlocking stuff.

    2018Indie2.99 USDSingle-playerSimilar games →
  13. 13
    NABOKI — Steam game cover

    NABOKI

    Single-player alternative to No.9 — playable solo, no multiplayer required. Shares Casual with No.9.

    Relaxing disassemble puzzle.

    2019Casual2.99 USDDeck VerifiedSingle-playerSimilar games →